U121A NISSAN - Hard Disk Drive Write Malfunction
U121A NISSAN Possible Causes
- Faulty Audio and Video (AV) Control Unit
- Audio and Video Control Unit harness is open or shorted
- Audio and Video Control Unit circuit poor electrical connection
How is the U121A NISSAN code repair?Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
What is the cost to diagnose the U121A NISSAN code
Labor: 1.0The cost to diagnose the U121A NISSAN code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
How much do you know about cars?
Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge
- Engine Light ON (or Service Engine Soon Warning Light)
U121A NISSAN MeaningIntegrates Hard Disk Drive (HDD) allowing map data and music data to be stored. It is the master unit of the MULTI AV system, and it is connected to each control unit by means of communication. It operates each system according to communication signals from the AV control unit. The AV control unit includes the audio, hands-free phone, voice control, navigation, and vehicle information functions. It is connected to ECM and combination meter via CAN communication to obtain necessary information for the vehicle information function.
The Diagnostic Trouble Code (DTC) sets when the Audio and Video (AV) Control Unit detects an internal malfunction of the Audio and Video (AV) Control Unit (HDD write malfunction).
More InformationNeed more information on how to fix the U121A NISSAN code?
Get Access to Factory Service Manuals